One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,6)(4,5)(7,8)(9,10)(11,13)(12,14)(15,16)(17,18,22,28,23,27,32,30)(19,29,25,21,26,20,31,24)(9,11)(10,13)(12,15)(14,16)(17,19,23,26)(18,24,27,21)(20,30,29,28)(22,31,32,25)(2,5)(6,8)(10,14)(11,15)(17,20)(18,25)(19,30)(21,32)(22,24)(23,29)(26,28)(27,31) involution — undirected(1,3,4,7)(2,6,5,8)(11,15)(13,16)(17,21,23,24)(18,26,27,19)(20,32,29,22)(25,28,31,30)(18,27)(20,29)(21,24)(28,30) involution — undirectedA Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.